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1.Carbon-covered alumina (CCA) has been reported to be a promising catalyst support or adsorbent.
摘要碳/氧化铝复合材料(CCA)作为催化剂载体或吸附剂具有广泛用途。收藏指正
2.HMS molecular sieve, with high diffusing performance and high hydrothermal stability, can be applied in many organic reactions as catalyst support or catalyst, especially for large molecular compounds.
中孔HMS分子筛的扩散性能好、水热稳定性高,可作为载体或催化剂应用于多类有机化学反应,尤其是分子尺寸较大的有机化合物的反应。收藏指正
3.1. The results taken from 1H MAS NMR of TS-1 zeolite and 31P MAS NMR of trimethylphosphinne adsorbed on the catalyst support strongly the existence of both Bnjinsted and Lewis acid sites in TS-1 zeolite.
1.测定了TS-1分子筛的~1H MAS NMR谱和吸附三甲基膦碱性探针分子后的~(31)P MAS NMR谱,发现在TS-1分子筛中既存在Brφnsted酸中心,也具有Lewis酸中心。收藏指正
4.The experimental results revealed that the adsorption ability of DBT molecules on the surface of various samples follows the trend: sulfide CoMo catalyst>corresponding oxidic CoMo catalyst≥corresponding support.
采用热重 (TG)和XRD等分析手段研究了二苯并噻吩 (DBT)在碳纳米管载体、碳纳米管负载的氧化态CoMo催化剂以及硫化态CoMo催化剂上的吸附行为 . 对DBT在样品表面的吸附行为与表面酸性进行了关联 .收藏指正
5.As demonstrated in the 1H MAS NMR experiment, the number of B acid sites per unit cell was 1 12 on the Mo/HZSM-5 catalyst prepared using unmodified zeolite as support, but it was only 0 88 on the Mo catalyst supported on modified HZSM-5 zeolite.
未经改性的Mo/HZSM 5催化剂表面 ,平均每个晶胞中有 1 12个B酸位 ,而改性的Mo/HZSM 5催化剂表面 ,平均每个晶胞中仅有 0 88个B酸位 .收藏指正
6.C~(13) NMR showed that the chain stereosequence distribution for the heptane soluble fraction of the polypropylene sample obtained by using catalyst CD which is made from amorphous MgCl2 support is the same as that of crystalline MgCl2 support and they both are atactic chain.
C(13)NMR表明,无定形MgCl2 载体催化剂和结晶型MgCl2 载体催化剂,其丙烯聚合的SPP分子链的链段分布相同,都为无规立构链;收藏指正
7.X--ray diffraction(XRD) and Mssbauer spectroscopy(MBS) have been used to study the supported Fe2O3-La2O3-γ-Al2O3 catalyst. The results show that modification of the carrierγ-Al2O3 by La2O3 reinforces the thermostability of the support and catalyst, intensifies the interaction between active component and support and enhances the dispersity of active component on the carrier.
对负载型Fe2O3-La2O3-γ-Al2O3的XRD、MBS等方法的研究表明,La2O3对γ-Al2O3的改性,提高了载体的热稳定性,增强了活性组份同载体的相互作用,提高了活性组份在载体表面的分散能力。收藏指正
8.EFFECT OF TiO_x ADDITIVE ON THE METAL-SUPPORT INTERACTION OF Pt/Al_2O_3 CATALYST
钛添加物对Pt/Al_2O_3催化剂金属担体相互作用的影响收藏指正
9.Based on the important effect of support on FTS of cobalt-based catalyst, synthesis of mesoporous silica MSU-1 was studied in order to better control structure properties of support.
基于介孔分于筛载体对钻催化剂活性、选择性的重要影响,为更好地控制介孔分子筛的织构性质,本文在介孔分子筛MSU-二合成上亦进行了探索。收藏指正
10.Investigated the selective catalytic reduction (SCR) of NO x by C 3H 8 in the presence of excessive oxygen for Cobalt species loaded over different supports, such as zeolite P, ZSM 5 Beta, mesoporous MCM 41 and γ Al 2O 3. The activity of catalyst has been interrelate to pore structure of support and chemical state of Cobalt species, which were characterized by N 2 isotherms, TPR and XPS.
考察了不同载体 ,如微孔沸石 P、ZSM- 5和 Beta,中孔材料 MCM- 41以及 γ- Al2 O3 等负载Co催化剂在富氧条件下对丙烷选择性催化 NOx 还原的活性 . 用 N2 吸附等温线、程序升温还原( TPR)及 X光光电子能谱 ( XPS)等方法表征了载体的孔结构和 Co的化学态并与反应活性关联 .收藏指正
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